PPAPI: Add PluginPrivateFileSystem

content/renderer/pepper/pepper_file_system_host.cc

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/renderer/pepper/pepper_file_system_host.h"
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "content/child/child_thread.h"
 #include "content/child/fileapi/file_system_dispatcher.h"
@@ skipping 63 matching lines @@
 int32_t PepperFileSystemHost::OnResourceMessageReceived(
     const IPC::Message& msg,
     ppapi::host::HostMessageContext* context) {
   IPC_BEGIN_MESSAGE_MAP(PepperFileSystemHost, msg)
     PPAPI_DISPATCH_HOST_RESOURCE_CALL(
         PpapiHostMsg_FileSystem_Open,
         OnHostMsgOpen)
     PPAPI_DISPATCH_HOST_RESOURCE_CALL(
         PpapiHostMsg_FileSystem_InitIsolatedFileSystem,
         OnHostMsgInitIsolatedFileSystem)
+    PPAPI_DISPATCH_HOST_RESOURCE_CALL(
+        PpapiHostMsg_FileSystem_InitPluginPrivateFileSystem,
+        OnHostMsgInitPluginPrivateFileSystem)
   IPC_END_MESSAGE_MAP()
   return PP_ERROR_FAILED;
 }
 
 bool PepperFileSystemHost::IsFileSystemHost() {
   return true;
 }
 
 void PepperFileSystemHost::DidOpenFileSystem(
     const std::string& /* name_unused */,
@@ skipping 70 matching lines @@
       renderer_ppapi_host_->GetRenderViewForInstance(pp_instance());
   if (!view)
     return PP_ERROR_FAILED;
   const GURL& url = view->GetWebView()->mainFrame()->document().url();
   root_url_ = GURL(fileapi::GetIsolatedFileSystemRootURIString(
       url.GetOrigin(), fsid, "crxfs"));
   opened_ = true;
   return PP_OK;
 }
 
+int32_t PepperFileSystemHost::OnHostMsgInitPluginPrivateFileSystem(
+    ppapi::host::HostMessageContext* context,
+    const std::string& fsid) {
+  // Do not allow multiple opens.
+  if (called_open_)
+    return PP_ERROR_INPROGRESS;
+  called_open_ = true;
+
+  // Do a sanity check.
+  if (!LooksLikeAGuid(fsid))
+    return PP_ERROR_BADARGUMENT;
+
+  RenderView* view =
+      renderer_ppapi_host_->GetRenderViewForInstance(pp_instance());
+  if (!view)
+    return PP_ERROR_FAILED;
+  const GURL& url = view->GetWebView()->mainFrame()->document().url();
+  root_url_ = GURL(fileapi::GetIsolatedFileSystemRootURIString(

[teravest, 2013/10/29 17:14:11]

There's a lot of duplication here with OnHostMsgInitIsolatedFileSystem.

Maybe we should change PpapiHostMsg_FileSystem_InitIsolatedFileSystem to have an
extra string argument "optional_root_name", and then you could reuse that code.

[nhiroki, 2013/11/12 13:36:15]

Done.

+      url.GetOrigin(), fsid, "PluginPrivate"));
+  opened_ = true;
+  return PP_OK;
+}
+
 }  // namespace content